858555980

素因数分解:

$2^2\times 5^1\times {\mathrm{2713}}^1\times {\mathrm{15823}}^1$

素因数の和:18545

約数の個数: 24

約数和(自身を含む): 1803746112

約数和(自身を除く): 945190132

約数列:

[1, 2, 4, 5, 10, 20, 2713, 5426, 10852, 13565, 15823, 27130, 31646, 54260, 63292, 79115, 158230, 316460, 42927799, 85855598, 171711196, 214638995, 429277990, 858555980]

約数ペア:

[(1, 858555980), (2, 429277990), (4, 214638995), (5, 171711196), (10, 85855598), (20, 42927799), (2713, 316460), (5426, 158230), (10852, 79115), (13565, 63292), (15823, 54260), (27130, 31646)]